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Top Picks
Venn Diagram Generator
Online Venn diagrams for up to 4 lists, SVG/PNG export
Chinese Converter
Simplified ⇄ Traditional using Wikipedia tables, with Taiwan / Hong Kong / Mainland wording
Text Diff & Review
Compare two texts side by side; accept or reject each change and export the merged result
IP 属地查询
查任意 IP 的归属地与运营商，支持 IPv6，自动识别本机 IP
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Academic & Education
Google Scholar
Google Scholar paper search
PubMed
Biomedical literature database
Web of Science
Authoritative citation index
Scopus
Elsevier abstract & citation database
ScienceDirect
Elsevier full-text journal library
SpringerLink
Springer academic full-text library
Wiley Online
Wiley academic database
IEEE Xplore
Electrical & electronics engineering literature
arXiv
Open preprint repository
SSRN
Social science & humanities preprints
Semantic Scholar
AI-powered academic search
OpenAlex
Open scholarly metadata database
CNKI
China's master academic literature library
Wanfang Data
Journals, theses & conference papers
VIP Journals
Full-text Chinese journal database
Baidu Xueshu
Academic literature meta-search
NSSD
Free philosophy & social science library
NSTL
National science & technology library
X-MOL
Research frontiers & literature tracking
Coursera
Online courses from world universities
edX
Course platform founded by MIT & Harvard
Udemy
Global skills course marketplace
MIT OpenCourseWare
Free MIT course materials
Khan Academy
Free general education for everyone
Chemistry LibreTexts
Open chemistry textbooks & course materials
NetEase Open Courses
University lectures with Chinese subtitles
China University MOOC
National-level courses from top universities
XuetangX
MOOC platform started at Tsinghua
Zhihuishu
Credit courses for Chinese universities
CHSI
Official degree & student record verification
CHSI YZ
Official postgraduate entrance exam portal
Kaoyan
Postgraduate exam news & experience forum
Zotero
Open-source reference manager
Overleaf
Collaborative online LaTeX writing
Elicit
AI literature review assistant
Consensus
AI search for scientific consensus
Connected Papers
Literature connection graphs
Research Rabbit
Literature tracking & citation graphs
ResearchGate
Social network for researchers
Muchong
Graduate & research exchange community
Wolfram Alpha
Computational knowledge engine
GeoGebra
Dynamic mathematics lab
Desmos
Online graphing calculator
Kaggle
Data science competitions & datasets
Google Dataset Search
Dataset search for research
Data Commons
Cross-topic global statistics & economic data
ScienceDB
Chinese scientific data repository with DOIs
Our World in Data
Data on global development
NBS
Official Chinese statistics
NCBI
Genes, sequences & biomedical records
BLAST
Online sequence alignment
Ensembl
Vertebrate genome browser
UCSC Genome Browser
Genome annotation browser
STRING
Protein-protein interaction networks
GEPIA
Gene expression & survival analysis
DAVID
Functional enrichment analysis
Enrichr
Gene set enrichment analysis
cBioPortal
Cancer genomic data explorer
GeneCards
Comprehensive gene annotation database
Biostars
Bioinformatics Q&A community
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Grant Funding
NIH RePORTER
NIH-funded project & grant search
Grants.gov
Unified US federal grants portal
Grantome
Global research funding opportunity search
US NSF
US National Science Foundation
EU Funding & Tenders Portal
EU Horizon Europe funding & tenders
CORDIS
EU-funded research results database
Wellcome Trust
Wellcome Trust biomedical funding
Science Careers
Postdoc job board run by Science
Nature Careers
Academic jobs & career advice from Nature
jobs.ac.uk
UK university & research job board
EURAXESS
EU researcher jobs & mobility support
Academic Positions
European academic & research vacancies
China Postdoc
Chinese postdoc portal: enrollment, funding
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Scientific Databases
UniProt
Authoritative protein sequence & annotation database
RCSB PDB
Protein 3D structure database
ProteomeXchange
Mass-spec proteomics data exchange
PRIDE
EBI proteomics data repository
EMBL-EBI
European Bioinformatics Institute portal
Human Protein Atlas
Human protein expression & localization maps
Gene Ontology
Standard functional annotation of genes
KEGG
Pathway & genome knowledge base
Reactome
Curated pathway knowledgebase
Metascape
Gene-list enrichment & analysis platform
Wiki-Pi
Annotated protein-interaction knowledgebase
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AI Tools
ChatGPT
OpenAI's flagship chat assistant
Gemini
Google's multimodal AI assistant
DeepSeek
China's open-weight frontier model
Claude
Anthropic's long-context AI assistant
Doubao
ByteDance AI assistant
Kimi
Moonshot AI long-context assistant
Grok
xAI assistant wired into X data
Qwen
Alibaba large-model assistant
Perplexity
AI answer engine with citations
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Search
WeChat Search
Search Official Account articles
Chongbuluo
Aggregated vertical search launcher
TinEye
Reverse image search
Yandex Images
Powerful reverse image search
DOAJ
Directory of open-access journals
CORE
World's largest open-access full-text aggregator
Unpaywall
Finds legal free versions of paywalled papers
Open Access Button
Request a lawful copy from the author
China Sciencepaper Online
Open-access Chinese papers & preprints
Assrt
Chinese subtitle search
OpenSubtitles
Multilingual subtitle database
Google Books
Full-text search across the world's books
WorldCat
Global library union catalogue
CALIS
Union catalogue of Chinese libraries
NLC
National Library of China
Douban Books
Chinese book database with reviews
Project Gutenberg
Public-domain classic e-books
Standard Ebooks
Public-domain e-books, carefully typeset
Open Library
Lendable online library
Internet Archive
Wayback Machine & digital archive
CTEXT
Chinese classics database
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Language & Literature
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Online Tools
Photopea
Photoshop-style editor in the browser
TinyPNG
Smart image compression
remove.bg
AI background removal in one click
Convertio
Universal file format conversion
ChartLiao
QR code generator & decoder
Temp Mail
Disposable inbox for verification codes
Crikk TTS
Text-to-speech with selectable voices
Speechnotes
Dictation notepad that runs in the browser
Venn Diagram Generator
Online Venn diagrams for up to 4 lists, SVG/PNG export
Chinese Converter
Simplified ⇄ Traditional using Wikipedia tables, with Taiwan / Hong Kong / Mainland wording
Text Diff & Review
Compare two texts side by side; accept or reject each change and export the merged result
IP 属地查询
查 IP 归属地/运营商/ASN，支持 IPv6，打开即显示本机 IP
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Shopping
Sigma-Aldrich
Merck's reagent & chemical supplier
Thermo Fisher
Instruments, reagents & consumables
Aladdin
Chinese research reagent supplier
X-Reagent
Reagent & instrument marketplace
CAS Mart
Research procurement platform
Macklin
Chinese chemical reagent brand
Beyotime
Leading Chinese bio-assay reagent brand
Servicebio
Histology & lab testing services
GenePharma
siRNA reagents & gene synthesis
GenScript
Peptide synthesis & gene services
Sino Biological
Recombinant proteins & antibodies
NEB
Molecular biology enzymes & restriction enzymes
Vector Laboratories
Glycobiology & labelling reagents
J&K Scientific
Chemical reagents & materials supplier
UNIV Biotech
Antibody & life-science reagent distributor
TCI
Tokyo Chemical Industry reagents
ChemicalBook
Chemical property & supplier directory
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Design & Templates
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Developer Resources
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Content Creation
📊
Webmaster Tools
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Video & Music
KuGou
Long-standing Chinese music platform
QQ Music
Tencent's music streaming
NetEase Cloud Music
Music community with comments
Ximalaya
Audiobooks, podcasts & audio platform
Spotify
Global music streaming
Apple Music
Apple music streaming
MissEvan
Audio dramas & voice content
Qingting FM
Online radio & podcasts
radio.garden
Listen to live radio around the world
Noisli
Ambient noise mixer for focus
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Finance & Markets
Cailian Press
Real-time wires for A-shares & global markets
Wall Street CN
Global markets & macro news, in Chinese
Jin10
24/7 macro newswire & economic calendar
Yicai
Business & policy coverage from the TV network
Caixin
Investigations & macro business news (paywalled)
Gelonghui
HK & US equities with a reader community
Sina Finance
Finance channel of the Sina portal
SSE Closing Statistics
Official end-of-day turnover & trading stats
Shenzhen Stock Exchange
Official quotes, filings & monthly statistics
CNINFO
Statutory disclosure site for listed companies
East Money Data
Top-trader lists, northbound flow & lockup expiries
People's Bank of China
Monetary policy, financial statistics & rate notices
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